CVE-2023-21250 Memory corruption in Android

Critical 9.8 Published Updated

A missing bounds check in Android's Bluetooth stack allows remote attackers to execute arbitrary code without user interaction or privileges.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2023-21250?

CVE-2023-21250 is a critical memory corruption vulnerability in Google Android, published on 12 Jul 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In gatt_end_operation of gatt_utils.cc, there is a possible out of bounds write due to a missing bounds check. This could lead to remote code execution with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-787

Which versions are affected by CVE-2023-21250?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2023-21250?

Apply the vendor's patch.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2023-21250 being exploited?

There is no known exploitation of CVE-2023-21250 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-261068592, ASB-A-261068592, GHSA-hqx8-8q89-hgcx.

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